Home / 75,869.35-104,635.42-45,649.02

Finding the Fourth Proportional to 75,869.35, 104,635.42 and 45,649.02

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Solution

The fourth proportional to 75,869.35, 104,635.42 and 45,649.02 is: 62,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.35 : 104,635.42 = 45,649.02 : x
  2. Step 2: Convert to fraction form
    75,869.35/104,635.42 = 45,649.02/x
  3. Step 3: Cross multiply
    75,869.35x = 104,635.42 × 45,649.02
  4. Step 4: Simplify right side
    75,869.35x = 4,776,504,529.44
  5. Step 5: Solve for x
    x = 4,776,504,529.44/75,869.35
  6. Step 6: Final answer
    x = 62,956.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.